%0 Journal Article %A R. Z. Has'minskiǐ %T A lower bound for risks of non-parametrical estimates of density in the uniform metrics %J Teoriâ veroâtnostej i ee primeneniâ %D 1978 %P 824-828 %V 23 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/TVP_1978_23_4_a10/ %G ru %F TVP_1978_23_4_a10